import baseApi from './baseApi';

export interface CosCredentials {
  tmpSecretId: string;
  tmpSecretKey: string;
  sessionToken: string;
}

export interface CosTokenResponse {
  bucket: string;
  region: string;
  credentials: CosCredentials;
  startTime: number;
  expiredTime: number;
}

export interface ApiResponse<T> {
  code: number;
  message: string;
  data: T;
}

class CosService {
  // 获取COS临时密钥
  async getCosToken(): Promise<ApiResponse<CosTokenResponse>> {
    const response = await baseApi.get('/admin/cos/token');
    return response.data;
  }

  // 上传文件到COS (简化版本，实际项目中需要完整的COS SDK)
  async uploadFile(file: File): Promise<string> {
    try {
      // 获取临时密钥
      const tokenResponse = await this.getCosToken();
      if (tokenResponse.code !== 0) {
        throw new Error(tokenResponse.message || '获取上传凭证失败');
      }

      const { bucket, region } = tokenResponse.data;
      
      // 生成文件名
      const timestamp = Date.now();
      const randomStr = Math.random().toString(36).substring(2);
      const fileExtension = file.name.split('.').pop();
      const fileName = `okeydo/${timestamp}_${randomStr}.${fileExtension}`;

      // 返回完整的COS URL（在实际项目中，这里需要实现真正的COS上传）
      const cosUrl = `https://${bucket}.cos.${region}.myqcloud.com/${fileName}`;
      
      // 模拟上传成功，实际项目中需要使用腾讯云COS SDK
      return cosUrl;
    } catch (error) {
      console.error('COS上传失败:', error);
      throw error;
    }
  }
}

export default new CosService(); 